Summary of Fair Values of Assets Acquired and Liabilities Assumed Purchase Price Allocation (Details) - USD ($) $ in Thousands	May 24, 2016	Sep. 30, 2016	Dec. 31, 2015
Business Acquisition [Line Items]
Goodwill		$ 108,337	$ 103,456
Reach Technology Inc.
Business Acquisition [Line Items]
Cash	$ 238
Accounts receivable	991
Inventories	1,611
Prepaid expenses and other current assets	12
Intangible assets	3,953
Goodwill	4,924
Total assets acquired	11,729
Accounts payable	280
Other liabilities	148
Deferred tax liabilities	1,504
Total liabilities assumed	1,932
Total assets acquired, net of liabilities assumed	9,797
Less: cash acquired	238
Plus: working capital adjustments	(185)
Total purchase price, net of cash acquired	$ 9,374